Home / 15,998.44-21,960.36-14,190.52

Finding the Fourth Proportional to 15,998.44, 21,960.36 and 14,190.52

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Solution

The fourth proportional to 15,998.44, 21,960.36 and 14,190.52 is: 19,478.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,998.44 : 21,960.36 = 14,190.52 : x
  2. Step 2: Convert to fraction form
    15,998.44/21,960.36 = 14,190.52/x
  3. Step 3: Cross multiply
    15,998.44x = 21,960.36 × 14,190.52
  4. Step 4: Simplify right side
    15,998.44x = 311,628,927.79
  5. Step 5: Solve for x
    x = 311,628,927.79/15,998.44
  6. Step 6: Final answer
    x = 19,478.71

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.